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Common Structural Rules Software Updated

Photo credit: ABS

Posted by Michelle Howard

Common Structural Rules Software LLC, a joint venture company formed by ABS and Lloyd's Register (LR), has enhanced its Prescriptive Analysis and Finite Element Analysis software.

The software provides users with an easy way to evaluate designs. It has recently been cross-checked by IACS and both software products: CSR Prescriptive Analysis and CSR Finite Element (FE) Analysis, demonstrated very high accuracy for calculations against comparable software.

Improvements to this leading software facilitate compliance to IACS Common Structural Rules (CSR), providing users with an easy way to evaluate designs. Developed from the technical strengths of LR and ABS, the latest versions of the CSR Prescriptive Analysis and CSR Finite Element (FE) Analysis software offers enhanced features. To improve reliability in assessment, CSR Prescriptive Analysis has newly implemented swash bulkhead calculations and enhanced the Primary Support Members calculations with new modelling function for openings. These are valuable key enhancements to the Prescriptive Analysis product offering. Both the CSR Prescriptive Analysis and the FE Analysis products have been updated to address changes effective July 1, 2019.

The Prescriptive Analysis Swash Bulkheads enhancement means users can now define swash bulkheads in transverse modelling at any location in the cargo region. Users can define various types of openings - circular, rectangular, ellipse, capsule - and have the option to define stringers as well. The system can automatically calculate the opening ratio at various filling levels based on the openings defined in the model.

The Prescriptive Analysis PSM enhancement means users can now define openings in Transverse Webs in double bottoms, Transverse Webs in double sides, Transverse Webs in Cargo Tanks and Horizontal Stringers. The openings can be either circular, rectangular, elliptical or capsule shaped. All the cutout related calculations are updated to incorporate such openings.

The software is now employed by over 600 users. Regular updates will continue to improve functionality and address CSR changes.

Details can be found in the Release Notes and User Guide bundled with the software installation. The updated CSR Prescriptive Analysis and CSR FE Analysis is available for download from the Common Structural Rules Software LLC website.


Jul 1, 2019

 

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